https://www.revierbuch.com/js/libs/jquery.cookie.js

1/*!
2 * jQuery Cookie Plugin v1.3.0
3 * https://github.com/carhartl/jquery-cookie
4 *
5 * Copyright 2013 Klaus Hartl
6 * Released under the MIT license
7 */
8(function ($, document, undefined) {
9
10	var pluses = /\+/g;
11
12	function raw(s) {
13		return s;
14	}
15
16	function decoded(s) {
17		return unRfc2068(decodeURIComponent(s.replace(pluses, ' ')));
18	}
19	
20	function unRfc2068(value) {
21		if (value.indexOf('"') === 0) {
22			// This is a quoted cookie as according to RFC2068, unescape
23			value = value.slice(1, -1).replace('\\"', '"').replace('\\\\', '\\');
24		}
25		return value;
26	};
27
28	var config = $.cookie = function (key, value, options) {
29
30		// write
31		if (value !== undefined) {
32			options = $.extend({}, config.defaults, options);
33
34			if (value === null) {
35				options.expires = -1;
36			}
37
38			if (typeof options.expires === 'number') {
39				var days = options.expires, t = options.expires = new Date();
40				t.setDate(t.getDate() + days);
41			}
42
43			value = config.json ? JSON.stringify(value) : String(value);
44
45			return (document.cookie = [
46				encodeURIComponent(key), '=', config.raw ? value : encodeURIComponent(value),
47				options.expires ? '; expires=' + options.expires.toUTCString() : '', // use expires attribute, max-age is not supported by IE
48				options.path    ? '; path=' + options.path : '',
49				options.domain  ? '; domain=' + options.domain : '',
50				options.secure  ? '; secure' : ''
51			].join(''));
52		}
53
54		// read
55		var decode = config.raw ? raw : decoded;
56		var cookies = document.cookie.split('; ');
57		var result = key ? null : {};
58		for (var i = 0, l = cookies.length; i < l; i++) {
59			var parts = cookies[i].split('=');
60			var name = decode(parts.shift());
61			var cookie = decode(parts.join('='));
62			
63			if (config.json) {
64				cookie = JSON.parse(cookie);
65			}
66			
67			if (key && key === name) {
68				result = cookie;
69				break;
70			}
71			
72			if (!key) {
73				result[name] = cookie;
74			}
75		}
76
77		return result;
78	};
79
80	config.defaults = {};
81
82	$.removeCookie = function (key, options) {
83		if ($.cookie(key) !== null) {
84			$.cookie(key, null, options);
85			return true;
86		}
87		return false;
88	};
89
90})(jQuery, document);